L-Glutamic Acid

L-Glutamic acid is white crystal or crystal powder, odorless and have special taste and acid. It is insoluble in water. It can be used to medicine and food additive. Item Standard (AJI97)ResultsAssay 99.0101.099.3Specific rotation +31.5+32.431.7°PH 3.03.53.2Loss on drying ≤0.200.03Transmittance ≥98.098.9%Residue on ignition ≤0.100.05Heavy Metals ≤10 ppm<10 ppmChloride ≤0.02<0.02Iron ≤10 ppm<10 ppmArsenic ≤1ppm<1ppmSulfate[SO42-] ≤0.02<0.02NH4 ≤0.02<0.02Other amino acids conforms